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प्रश्न
The following belong to which class of lever?
A pair of scissors
To which class of lever does a pair of scissors belong?
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उत्तर
The pair of scissors belongs to a Class I lever.
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संबंधित प्रश्न
What is a lever?
Write down a relation expressing the mechanical advantage of a lever.
Class II levers are designed to have ______.
A lever of length 9 cm has its load arm 5 cm long and the effort arm is 9 cm long.
- To which class does it belong?
- Draw a diagram of the lever showing the position of fulcrum F and directions of both the load L and effort E.
- What is the mechanical advantage and velocity ratio if the efficiency is 100%?
- What will be the mechanical advantage and velocity ratio if the efficiency becomes 50%?
Give three examples for leavers of 1st order.
Which class of lever found in the human body is being used by a boy when he holds a load on the palm of his hand.
Which class of lever found in the human body is being used by a boy when he raises the weight of his body on his toes?
The following belong to which class of lever?
Sugar tongs
Shears, used for cutting metals and scissors used for cutting clothes are both examples of levers of the first order. However, whereas the shears always have short blades and long handles, the scissors often have blades much longer than the handles. Explain, why this is so?
State the types (or kinds) of lever, and give two examples of each kind.
